16217084297 has 2 divisors, whose sum is σ = 16217084298. Its totient is φ = 16217084296.

The previous prime is 16217084203. The next prime is 16217084327. The reversal of 16217084297 is 79248071261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15661020736 + 556063561 = 125144^2 + 23581^2 .

It is a cyclic number.

It is not a de Polignac number, because 16217084297 - 2²⁰ = 16216035721 is a prime.

It is not a weakly prime, because it can be changed into another prime (16217086297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8108542148 + 8108542149.

It is an arithmetic number, because the mean of its divisors is an integer number (8108542149).

Almost surely, 2^16217084297 is an apocalyptic number.

It is an amenable number.

16217084297 is a deficient number, since it is larger than the sum of its proper divisors (1).

16217084297 is an equidigital number, since it uses as much as digits as its factorization.

16217084297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 16217084297 in words is "sixteen billion, two hundred seventeen million, eighty-four thousand, two hundred ninety-seven".